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A 23-year-old female asked:

how early can you see a fetal heartbeat on a transabdominal ultrasound?

2 doctor answers3 doctors weighed in
Dr. Chevies Newman
Obstetrics and Gynecology 22 years experience
Depending on the: Quality of the machine and on your anatomy, generally about 6 1/2 weeks. It's about 5 weeks and 5-6 days on transvaginal.
Dr. Shari Jackson
Radiology 21 years experience
6-7 weeks from LMP: Transvaginal ultrasound can detect fetal heartbeat earlier than transabdominal ultrasound (5-6 weeks after lmp). Transabdominal ultrasound varies a bit more primarily due to differences in maternal size. In general, the fetal heartbeat should be visible transabdominally by 7 weeks from the first day of the last menstrual period.

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Last updated Jul 27, 2015
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